/* =========================================================================
  NARETORA — style.css
  BtoB SaaS / プレローンチLP
  配色: 白・オフホワイト基調 / メイン=ネイビー / アクセント=ティール・ブルー
        リスク表現にのみオレンジを少量
   ========================================================================= */

/* ---------- デザイントークン ---------- */
:root {
  /* base */
  --white: #ffffff;
  --offwhite: #f7f9fc;
  --bluegrey: #eef2f8;       /* 淡いブルーグレー背景 */
  --line: #e2e8f1;

  /* navy (main) */
  --navy-900: #0a1f38;
  --navy-800: #0f2a4a;
  --navy-700: #173a61;
  --navy-600: #234a73;

  /* text */
  --ink: #14233a;
  --ink-soft: #44566f;
  --ink-muted: #7b8593;

  /* accent */
  --teal: #18b894;
  --teal-600: #0fa07f;
  --teal-50: #e6f7f2;
  --blue: #2f6fd6;
  --blue-50: #eaf1fd;

  /* warning (sparingly) */
  --orange: #e07b39;
  --orange-50: #fcf0e6;

  /* CTA accent (落ち着いたオレンジ) */
  --cta: #f97316;
  --cta-hover: #ea6a0c;

  /* effects */
  --radius: 14px;
  --radius-lg: 20px;
  --radius-sm: 9px;
  --shadow-sm: 0 1px 2px rgba(16, 38, 66, 0.06);
  --shadow-card: 0 4px 18px rgba(16, 38, 66, 0.06);
  --shadow-window: 0 24px 60px rgba(10, 31, 56, 0.16);

  --maxw: 1160px;
  --maxw-narrow: 760px;

  --font-jp: "Noto Sans JP", system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}

/* ---------- リセット ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-jp);
  color: var(--ink);
  background: var(--white);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 { margin: 0; line-height: 1.35; font-weight: 800; letter-spacing: 0.01em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }

/* ---------- レイアウト ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow { max-width: var(--maxw-narrow); }

.section { padding: 92px 0; }
.section-alt { background: var(--offwhite); }

.section-head { max-width: 760px; margin: 0 auto 48px; text-align: center; }
.section-head h2 { font-size: clamp(24px, 3.2vw, 34px); color: var(--navy-800); }
.section-lead {
  margin-top: 18px;
  color: var(--ink-soft);
  font-size: 16px;
}
.section-foot {
  margin-top: 40px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 16px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.section-foot strong { color: var(--navy-700); }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--teal-600);
  margin-bottom: 12px;
}
.eyebrow-accent { color: var(--orange); }

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.2;
  padding: 15px 26px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  text-align: center;
}
.btn-primary {
  background: var(--cta);
  color: var(--white);
}
.btn-primary:hover { background: var(--cta-hover); transform: translateY(-1px); }
.btn-ghost {
  background: var(--white);
  color: var(--navy-800);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--navy-600); background: var(--offwhite); }
.btn-sm { padding: 10px 18px; font-size: 14px; }
.btn-lg { padding: 18px 36px; font-size: 17px; }
.btn-block { width: 100%; margin-top: 16px; }

/* ---------- pill / chip ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
}
.pill-pre {
  background: var(--orange-50);
  color: var(--orange);
}
.pill .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--orange);
  display: inline-block;
}

/* ===================== ヘッダー ===================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { display: flex; }
.brand-name { font-weight: 800; color: var(--navy-800); letter-spacing: 0.01em; }
.header-nav {
  display: flex;
  gap: 26px;
  margin-left: auto;
  font-size: 14px;
  font-weight: 500;
}
.header-nav a { color: var(--ink-soft); }
.header-nav a:hover { color: var(--navy-800); }
.header-inner > .btn { flex-shrink: 0; }

/* ===================== Hero ===================== */
.hero {
  background:
    radial-gradient(900px 460px at 88% -8%, rgba(24, 184, 148, 0.10), transparent 60%),
    linear-gradient(180deg, var(--bluegrey), var(--white) 78%);
  padding: 72px 0 84px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  grid-template-areas:
    "intro    form"
    "problems form"
    "mock     form";
  column-gap: 48px;
  row-gap: 20px;
  align-items: start;
}
.hero-intro { grid-area: intro; }
.register-card { grid-area: form; }
.hero-problems { grid-area: problems; }
.hero-mock-wrap { grid-area: mock; align-self: start; }
.hero-kicker {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--teal-600);
  letter-spacing: 0.01em;
}
.hero-title {
  font-size: clamp(29px, 4.1vw, 45px);
  color: var(--navy-900);
  margin: 16px 0 14px;
  letter-spacing: 0.005em;
}
.hero-sub-line {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-soft);
  line-height: 1.6;
}
.hero-sub {
  color: var(--ink-soft);
  font-size: 17px;
  max-width: 540px;
}
.hero-sub { max-width: 520px; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 24px 0 0;
}
.hero-note {
  font-size: 14px;
  color: var(--ink-muted);
}

/* Hero: 解決する引き継ぎ課題 */
.hero-problems-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  width: fit-content;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--teal-600);
  margin-bottom: 8px;
}
.hero-problems-label-icon { flex-shrink: 0; }
.hero-problems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.hero-problem {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 76px;
  padding: 13px 14px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--navy-900);
}
.hero-problem-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  color: var(--teal-600);
}
.hero-problem-icon svg { width: 17px; height: 17px; }

/* Hero: 登録フォームカード */
.register-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 28px 24px;
  box-shadow: var(--shadow-card);
}
.register-head { margin-bottom: 18px; }
.register-title { font-size: 21px; color: var(--navy-800); }
.register-sub { margin-top: 8px; font-size: 13.5px; color: var(--ink-soft); }
.register-form .field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.register-form label,
.field-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-soft);
}
.required-label {
  display: inline-flex;
  align-items: center;
  margin-left: 6px;
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--orange-50);
  color: var(--orange);
  font-size: 10px;
  font-weight: 800;
  line-height: 1.2;
  vertical-align: middle;
}
.name-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.register-form input[type="text"],
.register-form input[type="email"] {
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  width: 100%;
}
.register-form input::placeholder { color: #aab3c0; }
.register-form input:focus-visible {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px var(--teal-50);
}
.hearing-optin {
  margin: 4px 0 12px;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--offwhite);
}
.hearing-optin-title {
  margin-bottom: 7px;
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--navy-700);
}
.register-check {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-soft);
  cursor: pointer;
}
.register-form .register-check { font-weight: 500; }
.privacy-field { margin-bottom: 18px; }
.privacy-check { margin: 1px 0 0; }
.register-check input {
  flex-shrink: 0;
  margin-top: 2px;
  width: 16px; height: 16px;
  accent-color: var(--cta);
}
.field-note {
  margin-top: 2px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-muted);
}
.register-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.register-error {
  margin-top: 12px;
  font-size: 13px;
  color: var(--orange);
  text-align: center;
}
.register-privacy {
  margin-top: 14px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-muted);
  text-align: center;
}
/* サンクス表示 */
.register-thanks { text-align: center; padding: 24px 8px 12px; }
.register-thanks-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px; height: 54px;
  border-radius: 50%;
  background: var(--teal-50);
  color: var(--teal-600);
  margin-bottom: 14px;
}
.register-thanks h3 { font-size: 18px; color: var(--navy-800); margin-bottom: 6px; }
.register-thanks p { font-size: 14px; color: var(--ink-soft); }

/* Hero内のダッシュボードmockはCSS製のPCフレームに収める。
   画面内は細かいUI断片を重ねて、実プロダクトのチラ見せ感を出す。 */
.hero-mock {
  position: relative;
  margin-inline: auto;
  max-width: 520px;
  width: min(100%, 520px);
  padding: 10px 12px 24px;
  border-radius: 20px;
  background:
    linear-gradient(145deg, #27364d 0%, #0b1727 56%, #1a2638 100%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow:
    0 24px 56px rgba(10, 31, 56, 0.20),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}
.hero-mock::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 11px;
  width: 58px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.20);
  transform: translateX(-50%);
}
.hero-mock::after {
  content: "";
  position: absolute;
  left: -10px;
  right: -10px;
  bottom: -7px;
  height: 16px;
  border-radius: 6px 6px 16px 16px;
  background:
    linear-gradient(180deg, #e5eaf1 0%, #b4bfce 56%, #8d99aa 100%);
  box-shadow:
    0 12px 20px rgba(10, 31, 56, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.78);
}
.hero-mock .mock-window {
  position: relative;
  z-index: 1;
  border: 0;
  border-radius: 14px;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.10),
    0 0 0 1px rgba(7, 17, 29, 0.72),
    0 18px 34px rgba(5, 15, 28, 0.28);
}
.hero-mock .mock-bar { padding: 8px 13px; }
.hero-mock .mock-body { padding: 10px; background: #f5f8fc; }
.hero-mock .mock-progress-card { padding: 10px 12px; margin-bottom: 0; }
.hero-mock .mock-progress-head { margin-bottom: 7px; }
.hero-mock .mock-progress-head strong { font-size: 20px; }
.hero-mock .mock-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 7px; }
.hero-mock .stat { padding: 7px 7px; text-align: left; border-radius: 10px; }
.hero-mock .stat-num { font-size: 17px; line-height: 1.2; }
.hero-mock .stat-num small { font-size: 11px; }
.hero-mock .stat-label { font-size: 9.5px; line-height: 1.35; }

.mock-app {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 10px;
  min-height: 232px;
}
.mock-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 9px 8px;
  border-radius: 12px;
  background: linear-gradient(180deg, #122f50, #081a2f);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.07);
}
.mock-side-logo {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--teal), #7dd3fc);
  margin-bottom: 3px;
  box-shadow: 0 8px 16px rgba(24, 184, 148, 0.24);
}
.mock-nav-item {
  width: 23px;
  height: 23px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.24);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}
.mock-nav-item.is-active {
  height: 23px;
  border-radius: 8px;
  background: rgba(45, 212, 167, 0.92);
}
.mock-main {
  display: grid;
  grid-template-rows: auto auto auto 1fr;
  gap: 7px;
  min-width: 0;
}
.mock-toolbar {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
}
.mock-search,
.mock-chip,
.mock-chip-short,
.mock-panel-label {
  display: block;
  border-radius: 999px;
}
.mock-search {
  flex: 1;
  min-width: 0;
  height: 23px;
  padding: 0 10px;
  background: #ffffff;
  border: 1px solid var(--line);
  color: var(--navy-700);
  font-size: 10.5px;
  font-weight: 700;
  line-height: 21px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mock-chip {
  width: auto;
  min-width: 44px;
  height: 21px;
  padding: 0 8px;
  background: var(--teal-50);
  color: var(--teal-600);
  font-size: 9.5px;
  font-weight: 800;
  line-height: 21px;
  text-align: center;
}
.mock-chip-short {
  min-width: 34px;
  background: var(--blue-50);
  color: var(--blue);
}
.mock-content-grid,
.mock-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(92px, 0.72fr);
  gap: 8px;
}
.mock-progress-meta {
  display: grid;
  grid-template-columns: 0.8fr 1fr 0.65fr;
  gap: 6px;
  margin-top: 8px;
}
.mock-progress-meta span {
  display: block;
  border-radius: 999px;
  background: #eef4fb;
  color: var(--ink-muted);
  font-size: 8.5px;
  font-weight: 700;
  line-height: 1;
  padding: 4px 6px;
  text-align: center;
}
.mock-mini-panel,
.mock-task-list,
.mock-review-panel {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
}
.mock-mini-panel {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 7px;
  padding: 9px 8px;
}
.mock-panel-label {
  width: fit-content;
  max-width: 100%;
  padding: 3px 7px;
  background: #eef4fb;
  color: var(--ink-soft);
  font-size: 8.5px;
  font-weight: 800;
  line-height: 1.1;
}
.mock-chart {
  display: flex;
  align-items: end;
  gap: 5px;
  height: 36px;
}
.mock-chart i {
  flex: 1;
  min-width: 5px;
  border-radius: 5px 5px 2px 2px;
  background: linear-gradient(180deg, var(--blue), #a9c4f5);
}
.mock-task-list {
  display: grid;
  gap: 7px;
  padding: 9px;
}
.mock-section-line {
  display: block;
  width: fit-content;
  max-width: 100%;
  border-radius: 999px;
  background: #eef4fb;
  color: var(--ink-soft);
  font-size: 9px;
  font-weight: 800;
  line-height: 1.1;
  padding: 3px 8px;
  margin-bottom: 1px;
}
.mock-row {
  display: grid;
  grid-template-columns: 13px minmax(0, 1fr) auto;
  align-items: center;
  gap: 7px;
}
.mock-row i,
.mock-row b {
  display: block;
  border-radius: 999px;
}
.mock-row i {
  width: 13px;
  height: 13px;
  background:
    radial-gradient(circle at center, var(--teal) 0 32%, transparent 34%),
    var(--teal-50);
}
.mock-row b {
  min-width: 0;
  color: var(--ink);
  font-size: 10px;
  font-weight: 700;
  line-height: 1.1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mock-row em {
  display: block;
  min-width: 42px;
  border-radius: 999px;
  background: var(--orange-50);
  color: var(--orange);
  font-size: 8px;
  font-style: normal;
  font-weight: 800;
  line-height: 1;
  padding: 4px 6px;
  text-align: center;
  white-space: nowrap;
}
.mock-review-panel {
  display: grid;
  gap: 6px;
  padding: 9px 8px;
}
.mock-review-panel strong {
  color: var(--navy-800);
  font-size: 10px;
  font-weight: 800;
  line-height: 1.1;
}
.mock-review-panel span {
  display: block;
  border-radius: 8px;
  background: #f4f7fb;
  color: var(--ink-soft);
  font-size: 9px;
  font-weight: 700;
  line-height: 1.2;
  padding: 5px 7px;
}
.mock-review-panel .mock-review-done {
  background: var(--teal-50);
  color: var(--teal-600);
}

/* Heroモック（ダッシュボード風） */
.mock-window {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-window);
  overflow: hidden;
}
.mock-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--navy-800);
}
.mock-dots { display: inline-flex; gap: 6px; }
.mock-dots i {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.32);
  display: inline-block;
}
.mock-title {
  color: rgba(255, 255, 255, 0.92);
  font-size: 13px;
  font-weight: 600;
}
.mock-window-user {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(45, 212, 167, 0.20), rgba(47, 111, 214, 0.16));
  box-shadow:
    inset 0 0 0 1px rgba(156, 240, 220, 0.34),
    0 5px 12px rgba(0, 0, 0, 0.16);
}
.mock-user-head,
.mock-user-body {
  position: absolute;
  display: block;
  background: #9cf0dc;
}
.mock-user-head {
  top: 6px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
}
.mock-user-body {
  bottom: 5px;
  width: 13px;
  height: 7px;
  border-radius: 9px 9px 4px 4px;
}
.mock-user-dot {
  position: absolute;
  right: 1px;
  bottom: 1px;
  width: 7px;
  height: 7px;
  border: 2px solid var(--navy-800);
  border-radius: 50%;
  background: var(--teal);
}
.mock-body { padding: 22px; }
.mock-progress-card {
  background: linear-gradient(180deg, #ffffff, #f7fbff);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 18px;
}
.mock-progress-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
}
.mock-progress-head span { font-size: 14px; color: var(--ink-soft); font-weight: 600; }
.mock-progress-head strong { font-size: 26px; color: var(--navy-800); }
.progress {
  height: 10px;
  border-radius: 999px;
  background: #d8e1ee;
  overflow: hidden;
}
.progress-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--teal), var(--teal-600));
}
.mock-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.stat {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: var(--white);
}
.stat-num {
  display: block;
  font-size: 24px;
  font-weight: 800;
  color: var(--navy-800);
}
.stat-num small { font-size: 13px; font-weight: 700; margin-left: 2px; color: var(--ink-muted); }
.stat-label { font-size: 13px; color: var(--ink-muted); }
.stat-warn { background: var(--orange-50); border-color: #f3dcc8; }
.stat-warn .stat-num { color: var(--orange); }

/* ===================== カードグリッド共通 ===================== */
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow-card);
}
.cards-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.cards-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }

.card h3 { font-size: 17px; color: var(--navy-800); margin-bottom: 8px; }
.card p { font-size: 14.5px; color: var(--ink-soft); }

/* 課題カード */
.problem-card { position: relative; }
.problem-card .problem-loss {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  font-weight: 600;
  color: var(--orange);
  display: flex;
  gap: 7px;
}
.problem-loss::before {
  content: "→";
  font-weight: 700;
  flex-shrink: 0;
}
.card-index {
  display: inline-block;
  font-size: 13px;
  font-weight: 800;
  color: var(--teal-600);
  background: var(--teal-50);
  border-radius: 8px;
  padding: 3px 9px;
  margin-bottom: 14px;
}

/* 価値カード */
.value-card { text-align: left; }
.value-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.value-card-head h3 { margin-bottom: 0; }
.value-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--navy-800);
  color: var(--white);
  flex-shrink: 0;
}

/* ユースケースカード */
.usecase-card h3 { font-size: 15.5px; }
.usecase-card p { font-size: 13.5px; }

/* ===================== AIインタビュー実演モック ===================== */
.interview-demo { margin-top: 56px; }
.interview-head {
  position: relative;
  text-align: left;
  max-width: none;
  margin: 0;
  padding: 14px 0 0 20px;
}
.interview-head::before,
.sample-copy::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 4px;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--teal), rgba(47, 111, 214, 0.28));
}
.demo-kicker {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 10px;
  color: var(--teal-600);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0 12px;
}
.demo-kicker span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 22px;
  border-radius: 999px;
  background: var(--teal-50);
  color: var(--teal-600);
  letter-spacing: 0;
  font-size: 11px;
}
.interview-head h3 { font-size: clamp(20px, 2.6vw, 26px); color: var(--navy-800); margin-bottom: 14px; }
.interview-head p { font-size: 15px; color: var(--ink-soft); }

.interview-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.28fr);
  gap: 42px;
  align-items: center;
  max-width: 1040px;
  margin: 0 auto;
}

/* チャット画面 */
.chat-window {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-window);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.chat-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  background: var(--navy-800);
}
.chat-bar-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
}
.chat-bar-title svg { color: var(--teal); }
.chat-progress {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.chat-body {
  padding: 22px 20px;
  display: grid;
  gap: 16px;
  background: var(--offwhite);
}
.chat-msg { display: flex; gap: 10px; align-items: flex-end; }
.chat-msg-user { justify-content: flex-end; }

.chat-avatar {
  flex-shrink: 0;
  width: 32px; height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
}
.chat-avatar-ai { background: var(--navy-800); color: var(--white); }
.chat-avatar-ai svg { color: var(--teal); }
.chat-avatar-user { background: #d8e1ee; color: var(--navy-700); }

.chat-bubble {
  max-width: 78%;
  padding: 11px 15px;
  font-size: 14px;
  line-height: 1.65;
  border-radius: 14px;
}
.chat-bubble-ai {
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--ink);
  border-top-left-radius: 4px;
}
.chat-bubble-ai strong { color: var(--navy-700); }
.chat-bubble-user {
  background: var(--navy-700);
  color: var(--white);
  border-top-right-radius: 4px;
}

/* AI処理中ステータス */
.chat-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 15px;
  font-size: 13.5px;
  color: var(--teal-600);
  background: var(--teal-50);
  border: 1px solid #c6ece1;
  border-radius: 14px;
  border-top-left-radius: 4px;
}
.chat-spinner { animation: chat-spin 1s linear infinite; }
@keyframes chat-spin { to { transform: rotate(360deg); } }

.chat-input {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-top: 1px solid var(--line);
  background: var(--white);
}
.chat-input-box {
  flex: 1;
  font-size: 13.5px;
  color: var(--ink-muted);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  background: var(--white);
}
.chat-send {
  flex-shrink: 0;
  width: 38px; height: 38px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--navy-800);
  color: var(--white);
}

/* ===================== ステップ ===================== */
.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  counter-reset: step;
  position: relative;
  overflow: hidden;
  padding: 30px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(620px 220px at 92% 12%, rgba(24, 184, 148, 0.18), transparent 65%),
    linear-gradient(135deg, var(--navy-900), var(--navy-700));
  box-shadow: var(--shadow-window);
}
.steps::before {
  content: "";
  position: absolute;
  left: 56px;
  right: 56px;
  top: 66px;
  height: 2px;
  background: rgba(255, 255, 255, 0.20);
}
.step {
  position: relative;
  padding: 18px 18px 16px;
  min-height: 178px;
  color: var(--white);
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--teal);
  color: var(--navy-900);
  font-weight: 800;
  font-size: 16px;
  margin-bottom: 16px;
  box-shadow: 0 0 0 6px rgba(24, 184, 148, 0.14);
  position: relative;
  z-index: 1;
}
.step-body h3 { font-size: 15.5px; color: var(--white); margin-bottom: 8px; }
.step-body p { font-size: 13.5px; color: rgba(255, 255, 255, 0.76); }

/* ユースケース */
.usecase-section { background: var(--white); }
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.usecase-card {
  --case-accent: var(--blue);
  --case-bg: var(--blue-50);
  position: relative;
  min-height: 190px;
  padding: 22px 18px 20px;
  border: 1px solid var(--line);
  border-left : 4px solid var(--case-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: linear-gradient(180deg, var(--white), #f9fbfe);
}
.usecase-card:nth-child(2) {
  --case-accent: var(--teal-600);
  --case-bg: var(--teal-50);
}
.usecase-card:nth-child(3) {
  --case-accent: var(--orange);
  --case-bg: var(--orange-50);
}
.usecase-card:nth-child(4) {
  --case-accent: var(--navy-700);
  --case-bg: var(--bluegrey);
}
.usecase-card:nth-child(5) {
  --case-accent: #347b5b;
  --case-bg: #e8f4ee;
}
.usecase-card::after {
  content: "";
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background:
    linear-gradient(90deg, transparent 15px, rgba(255, 255, 255, 0.75) 15px 18px, transparent 18px),
    linear-gradient(180deg, transparent 15px, rgba(255, 255, 255, 0.75) 15px 18px, transparent 18px),
    var(--case-bg);
  opacity: 0.9;
}
.usecase-label {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 4px 9px;
  margin-bottom: 16px;
  border-radius: 999px;
  background: var(--case-bg);
  color: var(--case-accent);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
}
.usecase-card h3 {
  font-size: 15.5px;
  color: var(--navy-800);
  margin-bottom: 8px;
  padding-right: 4px;
}
.usecase-card p {
  font-size: 13.5px;
  color: var(--ink-soft);
  padding-right: 12px;
}

/* AIインタビューからの出力例 */
.sample-follow {
  max-width: 1040px;
  margin: 34px auto 0;
  padding-top: 30px;
}
.sample-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.28fr);
  grid-template-areas: "copy visual";
  gap: 42px;
  align-items: center;
}
.sample-copy {
  position: relative;
  grid-area: copy;
  padding-left: 20px;
  max-width: 420px;
}
.sample-copy h2 {
  color: var(--navy-800);
  font-size: clamp(22px, 2.5vw, 28px);
  line-height: 1.35;
  margin-top: 0;
}
.sample-copy .section-lead {
  margin: 14px 0 0;
  text-align: left;
  font-size: 14.5px;
}
.sample-visual {
  grid-area: visual;
  min-width: 0;
}
.pack-device {
  position: relative;
  background: transparent;
  border: 0;
  box-shadow: none;
}
.pack-device-pc {
  padding: 0;
  border-radius: 0;
}
.pack-device-pc::after {
  content: none;
}
.pack-window {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-window);
  overflow: hidden;
  line-height: 1.45;
}
.pack-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  background: var(--navy-800);
}
.pack-bar-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  min-width: 0;
}
.pack-bar-title span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pack-bar-title svg {
  flex-shrink: 0;
  color: var(--teal);
}
.pack-bar-actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}
.pack-bar-badge {
  flex-shrink: 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  padding: 3px 9px;
  white-space: nowrap;
}
.pack-body { padding: 20px; }

.pack-tool {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 26px;
  padding: 5px 8px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.82);
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
}
.pack-tool svg {
  flex-shrink: 0;
  color: var(--teal);
}

.pack-block { margin-bottom: 16px; }
.pack-block:last-child { margin-bottom: 0; }
.pack-h {
  font-size: 12px;
  font-weight: 800;
  color: var(--navy-700);
  letter-spacing: 0.04em;
  padding-bottom: 9px;
  margin-bottom: 11px;
  border-bottom: 2px solid var(--bluegrey);
  display: flex;
  align-items: center;
  gap: 8px;
}
.pack-h::before {
  content: "";
  width: 4px; height: 14px;
  border-radius: 2px;
  background: var(--teal);
}
.pack-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.pack-trouble { margin-bottom: 0; }

/* 業務概要 */
.overview-grid { display: grid; gap: 9px; }
.overview-item {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 12px;
  align-items: start;
  padding: 9px 11px;
  background: var(--offwhite);
  border-radius: var(--radius-sm);
}
.ov-label { font-size: 12px; font-weight: 700; color: var(--ink-muted); }
.ov-value { font-size: 13.5px; color: var(--ink); display: flex; flex-wrap: wrap; gap: 7px; }

.chip {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  background: var(--blue-50);
  color: var(--blue);
  border-radius: 8px;
  padding: 4px 9px;
}
.chip-tool { background: var(--bluegrey); color: var(--navy-700); }

/* ステークホルダー */
.stakeholder-list { display: grid; gap: 8px; }
.stakeholder-list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 9px;
  align-items: center;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
}
.person-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--teal-50);
  color: var(--teal-600);
  font-size: 11px;
  font-weight: 800;
}
.stakeholder-list strong {
  display: block;
  color: var(--navy-800);
  font-size: 12.5px;
  line-height: 1.25;
}
.stakeholder-list small {
  display: block;
  margin-top: 3px;
  color: var(--ink-soft);
  font-size: 11.5px;
  line-height: 1.35;
}

/* 関係図 */
.relation-map {
  position: relative;
  min-height: 168px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(90deg, rgba(226, 232, 241, 0.58) 1px, transparent 1px),
    linear-gradient(180deg, rgba(226, 232, 241, 0.58) 1px, transparent 1px),
    var(--offwhite);
  background-size: 28px 28px;
  overflow: hidden;
}
.relation-node {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 68px;
  min-height: 28px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--navy-800);
  font-size: 11.5px;
  font-weight: 800;
  box-shadow: var(--shadow-sm);
}
.node-main {
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: var(--navy-800);
  border-color: var(--navy-800);
  color: var(--white);
}
.node-a { left: 12px; top: 20px; }
.node-b { right: 12px; top: 18px; }
.node-c { right: 20px; bottom: 18px; }
.relation-line {
  position: absolute;
  left: 50%;
  top: 50%;
  height: 2px;
  width: 72px;
  background: rgba(47, 111, 214, 0.35);
  transform-origin: left center;
}
.line-a { transform: rotate(214deg); }
.line-b { transform: rotate(324deg); }
.line-c { transform: rotate(36deg); width: 82px; background: rgba(24, 184, 148, 0.42); }

/* 通常手順 */
.routine { display: grid; gap: 10px; }
.routine-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 14px;
}
.routine-tag {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 700;
  border-radius: 7px;
  padding: 4px 10px;
  min-width: 46px;
  text-align: center;
}
.tag-daily { background: var(--teal-50); color: var(--teal-600); }
.tag-weekly { background: var(--blue-50); color: var(--blue); }
.tag-monthly { background: #eee8fb; color: #6b4fc4; }

/* 判断基準テーブル */
.rule-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  line-height: 1.35;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.rule-table th, .rule-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
}
.rule-table thead th {
  background: var(--offwhite);
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
}
.rule-table tbody tr:last-child td { border-bottom: none; }
.rule-table td:first-child { color: var(--ink); }

.badge {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  border-radius: 7px;
  padding: 4px 9px;
  white-space: nowrap;
}
.badge-ok { background: var(--teal-50); color: var(--teal-600); }
.badge-warn { background: var(--orange-50); color: var(--orange); }
.badge-info { background: var(--blue-50); color: var(--blue); }

/* 例外対応 */
.exception-list { display: grid; gap: 10px; }
.exception {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  background: var(--offwhite);
  border-radius: var(--radius-sm);
  flex-wrap: wrap;
}
.ex-tag {
  flex-shrink: 0;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--white);
  background: var(--navy-700);
  border-radius: 7px;
  padding: 5px 12px;
}
.ex-text { font-size: 14px; color: var(--ink-soft); }

/* 顧客別注意点 */
.customer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.customer-grid-2 { grid-template-columns: repeat(2, 1fr); }
.customer-card {
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 10px 12px;
  background: var(--white);
}
.customer-card .customer-name {
  display: block;
  font-weight: 800;
  font-size: 14px;
  color: var(--navy-800);
  margin-bottom: 6px;
}
.customer-card p { font-size: 12.5px; color: var(--ink-soft); }
.customer-card-alert { border-left-color: var(--orange); background: var(--orange-50); }

/* パックFAQ */
.pack-faq { display: grid; gap: 12px; }
.pack-faq-item {
  padding: 13px 14px;
  background: var(--offwhite);
  border-radius: var(--radius-sm);
}
.pf-q { font-size: 13.5px; font-weight: 700; color: var(--navy-800); margin-bottom: 6px; }
.pf-a { font-size: 12.5px; color: var(--ink-soft); }

/* 未解決リスク */
.risk-list { display: grid; gap: 8px; }
.risk-list-compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.risk-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  flex-wrap: wrap;
}
.risk-text { font-size: 13px; color: var(--ink); }
.status {
  font-size: 11px;
  font-weight: 700;
  border-radius: 999px;
  padding: 4px 10px;
  white-space: nowrap;
}
.status-wait { background: var(--blue-50); color: var(--blue); }
.status-missing { background: var(--orange-50); color: var(--orange); }
.status-unconfirmed { background: #fbf3d6; color: #a07a16; }

.sample-cta { text-align: center; margin-top: 40px; }

/* ===================== 二次コンバージョン（最新情報を受け取る） ===================== */
.signup-section {
  background:
    linear-gradient(180deg, var(--white), var(--bluegrey));
  padding-top: 72px;
}
.signup-block {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  gap: 36px;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(620px 300px at 88% 12%, rgba(24, 184, 148, 0.20), transparent 64%),
    linear-gradient(135deg, var(--navy-900), var(--navy-700));
  border-radius: var(--radius-lg);
  padding: 52px;
  box-shadow: var(--shadow-window);
  color: var(--white);
}
.signup-block::after {
  content: "";
  position: absolute;
  right: 34px;
  bottom: 28px;
  width: 128px;
  height: 128px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 28px;
  transform: rotate(8deg);
}
.signup-copy,
.signup-action {
  position: relative;
  z-index: 1;
}
.signup-block .eyebrow {
  color: #7eead5;
}
.signup-block h2 {
  font-size: clamp(28px, 4vw, 42px);
  color: var(--white);
  margin-top: 6px;
}
.signup-lead {
  margin: 18px 0 0;
  max-width: 700px;
  font-size: 15.5px;
  color: rgba(255, 255, 255, 0.82);
}
.signup-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 28px;
}
.signup-points li {
  position: relative;
  min-height: 58px;
  padding: 12px 14px 12px 34px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.86);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.55;
}
.signup-points li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 18px;
  width: 9px;
  height: 5px;
  border-left: 2px solid var(--teal);
  border-bottom: 2px solid var(--teal);
  transform: rotate(-45deg);
}
.signup-action {
  display: grid;
  justify-items: stretch;
  gap: 14px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.10);
  backdrop-filter: blur(8px);
}
.signup-action .btn {
  width: 100%;
  min-height: 62px;
  font-size: 18px;
  /* box-shadow: 0 18px 34px rgba(249, 115, 22, 0.28); */
}
.signup-targets {
  margin-top: 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
  text-align: center;
}

.text-link { color: var(--blue); text-decoration: underline; text-underline-offset: 2px; }
.text-link:hover { color: var(--navy-700); }
.ext-icon {
  display: inline-block;
  vertical-align: -1px;
  margin-left: 4px;
  opacity: 0.85;
}

/* ===================== FAQアコーディオン ===================== */
#faq { padding-bottom: 48px; }
.faq-list { display: grid; gap: 12px; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
}
.faq-item.is-animating { will-change: height; }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 56px 20px 22px;
  font-weight: 700;
  font-size: 15.5px;
  color: var(--navy-800);
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  position: absolute;
  right: 22px; top: 50%;
  width: 11px; height: 11px;
  border-right: 2px solid var(--ink-muted);
  border-bottom: 2px solid var(--ink-muted);
  transform: translateY(-65%) rotate(45deg);
  transition: transform .2s ease;
}
.faq-item[open] summary::after { transform: translateY(-35%) rotate(-135deg); }
.faq-item.is-closing summary::after { transform: translateY(-65%) rotate(45deg); }
.faq-answer {
  padding: 0 22px 20px;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .16s ease, transform .18s ease;
}
.faq-item[open] .faq-answer {
  opacity: 1;
  transform: translateY(0);
}
.faq-item.is-closing .faq-answer {
  opacity: 0;
  transform: translateY(-4px);
}
.faq-answer p { color: var(--ink-soft); font-size: 14.5px; }
.faq-note {
  width: min(calc(100% - 48px), var(--maxw-narrow));
  margin: 72px auto 72px;
  padding: 18px 20px;
  border: 1px solid rgba(224, 123, 57, 0.28);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(252, 240, 230, 0.76), rgba(255, 255, 255, 0.82));
}
.faq-note-label {
  display: inline-flex;
  align-items: center;
  margin-bottom: 8px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 800;
}
.faq-note p {
  color: var(--ink-soft);
  font-size: 14.5px;
}

/* ===================== フッター ===================== */
.site-footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.7);
  padding: 48px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 28px;
  flex-wrap: wrap;
}
.footer-brand .brand-name { color: var(--white); font-size: 17px; }
.footer-desc { margin-top: 8px; font-size: 14px; color: rgba(255, 255, 255, 0.6); }
.footer-meta { font-size: 13.5px; text-align: right; display: grid; gap: 6px; }
.footer-meta .text-link { color: rgba(255, 255, 255, 0.85); }
.footer-copy { color: rgba(255, 255, 255, 0.5); }

/* =========================================================================
   レスポンシブ
   ========================================================================= */

/* タブレット */
@media (max-width: 960px) {
  .section { padding: 72px 0; }
  .hero { padding: 48px 0 64px; }
  /* SP/タブレット: 縦積みで「キャッチ → 登録フォーム → 課題 → ダッシュボード」の順 */
  .hero-grid {
    grid-template-columns: 1fr;
    grid-template-areas: "intro" "form" "problems" "mock";
    row-gap: 28px;
  }
  .hero-mock { max-width: 520px; }

  .cards-4 { grid-template-columns: repeat(2, 1fr); }
  .cards-3 { grid-template-columns: 1fr; }
  .cards-5 { grid-template-columns: repeat(2, 1fr); }
  .usecase-grid { grid-template-columns: repeat(2, 1fr); }
  .steps {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 24px;
  }
  .steps::before {
    left: 52px;
    right: auto;
    top: 34px;
    bottom: 34px;
    width: 2px;
    height: auto;
  }
  .step {
    display: grid;
    grid-template-columns: 36px 1fr;
    gap: 16px;
    min-height: 0;
    padding: 12px 10px;
  }
  .step-num { margin-bottom: 0; }

  .interview-grid { grid-template-columns: 1fr; gap: 20px; }
  .sample-layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "copy"
      "visual";
    gap: 28px;
  }
  .sample-copy {
    max-width: none;
  }
  .sample-visual {
    max-width: 620px;
  }
  .signup-block {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 42px 32px;
  }
  .signup-action {
    max-width: 420px;
    width: 100%;
    justify-self: center;
  }

  .header-nav { display: none; }
  /* ナビ非表示時はCTAを右端へ寄せる */
  .header-inner > .btn[data-cta="header"] { margin-left: auto; }
}

/* スマホ */
@media (max-width: 600px) {
  body { font-size: 15.5px; }
  .container { padding: 0 18px; }
  .section { padding: 56px 0; }
  .section-head { margin-bottom: 36px; }

  .hero-grid {
    grid-template-areas:
      "intro"
      "mock"
      "form";
  }

  .hero-problems { display: none; }

  /* PC専用の改行はスマホでは無効化（自然な折り返しに任せる） */
  .br-pc { display: none; }

  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }

  .cards-4,
  .cards-5,
  .usecase-grid,
  .steps { grid-template-columns: 1fr; }

  .steps {
    padding: 20px 16px;
    border-radius: 18px;
  }
  .steps::before { left: 40px; }
  .step {
    grid-template-columns: 36px 1fr;
    gap: 14px;
    padding: 12px 6px;
  }
  .usecase-card { min-height: 0; }
  .signup-section { padding-top: 56px; }
  .signup-block {
    padding: 34px 22px;
    border-radius: 18px;
  }
  .signup-block::after {
    right: -32px;
    bottom: -32px;
  }
  .signup-points {
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 22px;
  }
  .signup-points li { min-height: 0; }
  .signup-action {
    padding: 18px;
    border-radius: 14px;
  }
  .signup-action .btn {
    min-height: 56px;
    font-size: 16px;
  }

  /* パックは縦積み */
  .sample-copy .section-lead { margin-bottom: 0; }
  .pack-body { padding: 18px; }
  .pack-bar { flex-wrap: wrap; align-items: flex-start; }
  .pack-bar-actions { width: 100%; flex-wrap: wrap; justify-content: flex-start; }
  .pack-row { grid-template-columns: 1fr; gap: 18px; }
  .risk-list-compact { grid-template-columns: 1fr; }
  .overview-item { grid-template-columns: 1fr; gap: 6px; }
  .ov-label { font-size: 12px; }
  .customer-grid { grid-template-columns: 1fr; }

  .register-card { padding: 22px 20px; }
  .hero-problems-grid { grid-template-columns: 1fr; }

  /* SP: モックは reflow せず、PCのレイアウト/縦横比のまま縮小表示する。
     固定の設計幅(520px)でレンダリングし、JS(script.js)が
     --mock-scale と wrap の高さを設定して列幅にフィットさせる。 */
  .hero-mock-wrap { width: 100%; overflow: hidden; }
  .hero-mock {
    width: 520px;
    max-width: none;
    margin-inline: 0;
    transform-origin: top left;
    transform: scale(var(--mock-scale, 1));
  }

  .risk-item { align-items: flex-start; }

  .chat-bubble { max-width: 84%; }
  .chat-body { padding: 18px 14px; }

  .footer-inner { flex-direction: column; }
  .footer-meta { text-align: left; }

  /* ヘッダーCTA「最新情報を受け取る」はSPでも表示（右端・少しコンパクトに） */
  .header-inner > .btn[data-cta="header"] {
    margin-left: auto;
    padding: 9px 14px;
    font-size: 13px;
  }
}

/* 余白の最終調整（小さめ端末で読みやすく） */
@media (max-width: 380px) {
  .hero-title { font-size: 28px; }
}

/* アクセシビリティ: モーション低減 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
  .chat-spinner { animation: none !important; }
}